US3073835A
Expired / Lapsed
US
⏱️ 0.0 years remaining
1-acyl-alpha, alpha-diphenyl-4-piperidinemethanols
Assignee: GD Searle LLC
•
Filing: 1961-07-13
•
Granted: 1963-01-15
•
Expires: 1981-07-13
Abstract
No abstract record available.
Inventors
- 👤 Kurt J Rorig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 19:59
CPC Classifications
C; C07; C07D; C07D211/00; C07D211/04; C07D211/06; C07D211/08; C07D211/18; C07D211/20; C07D211/22
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
5 words
A COMPOUND OF THE FORMULA
Claim 2
Dependent Claim
5 words
A COMPOUND OF THE FORMULA
Claim 3
Dependent Claim
7 words
A,A - DIPHENYL - 1(3 - PHENYLPROPIONYL)-4-DIPERIDINEMETHANOL.
Claim 4
Dependent Claim
7 words
A,A - DIPHENYL - 1(3 - PHENYLPROPIONYL)-4-DIPERIDINEMETHANOL.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-14 | 1966-07-16 | 1967-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-14 | 1970-07-16 | 1971-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-14 | 1974-07-16 | 1975-01-15 | $7700.00 | Window Closed / Lapsed |